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CBSE Questions for Class 6 Maths Integers Quiz 2 - MCQExams.com
CBSE
Class 6 Maths
Integers
Quiz 2
Compare $$\displaystyle 24\quad \Box \quad -28$$
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$$<$$
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$$=$$
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$$\displaystyle \neq $$
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$$>$$
Explanation
24 is obviously greater than -28 ...we can observe this from the number line..
The smallest positive integer is
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0
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10
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1
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9
Explanation
$$\textbf{Step 1: Use the definition of integer and simply according to the given condition}$$
$$\text{We know that integer is a number that is not a fraction.}$$
$$\implies x=\text{{.....-3, -2, -1, 0, 1, 2, 3,....}}$$
$$\text{According to the question, we need a positive integer,}$$
$$\implies x>0$$
$$ \implies(x \epsilon \space Z,\space x>0)$$
$$\implies x=\text{{1, 2, 3,....}}$$
$$\text{The smallest element in the above set is 1}$$
$$\textbf{Thus, the smallest positive integer is 1}$$
$$(-36) + (+12)$$ is equal to
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$$+24$$
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$$27$$
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$$-24$$
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None of these
Explanation
$$(-36)+(+12)=-36+12=-24$$
On a horizontal number line, negative numbers are located on the ____ side of $$0.$$
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Right
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Left
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Above
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Below
Explanation
Negative numbers are located on the left side of $$0$$ and positive numbers are located on the right side of $$0.$$
Which of the following is correct?
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If $$-4 <3$$, then $$4 < -3$$
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If $$-2 <5$$, then $$2>5$$
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If $$0 > -7$$, then $$0 < 7$$
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If $$8 > 1$$, then $$-8 > -1$$
Explanation
Given (A) $$-4 < 3$$ is correct but $$4 < -3$$ is wrong because $$4$$ is always greater than $$-3$$.
(B) If $$-2 < 5,$$ then it is correct but $$2>$$ 5 is wrong
because $$5$$ is always greater than $$2$$
(C) If $$0 >-7$$ is correct then $$0 < 7$$ is also correct as multiplying by minus sign changes the operator from greater than to smaller than and vice versa.
(D)
If $$8 > 1$$ is write then $$-8 > -1$$ is wrong
multiplying by minus sign changes the operator from greater than to smaller than and vice versa.
Hence, option (C) is correct.
Smallest negative number from the following is
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$$-1$$
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$$+2$$
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$$0$$
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$$1$$
Explanation
smallest negative number does not exist.. because numbers are endless ..
Evaluate:
$$(-62) - (+12) $$
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$$+74$$
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$$-50$$
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$$-74$$
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$$-72$$
Explanation
If we are subtracting a negative number from a negative number we add the digits and put a negative sign in Infront of the answer.
$$-62-12= -74$$
So option C is the correct answer.
"Arya climbed 10 steps up." Position of Arya can be represented by
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$$+10$$
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$$-10$$
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$$0$$
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$$5$$
Explanation
Arya climbed $$10$$ steps up.
Ground being the reference level, upwards direction $$= +$$ve and downwards direction $$= -$$ve.
$$\Rightarrow$$ Position of Arya is $$+10$$
Find the missing term:
$$........ + (-28) = 0$$
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+28
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-28
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1
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0
Explanation
obviously +28-28=0
Find the value of following:
$$-7-(-8)$$
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$$15$$
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$$-15$$
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$$1$$
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$$-1$$
Explanation
Given that
We have to find the value of given expression
$$-7-(-8)$$
we know that $$(-) \times (-) = +$$
and
$$(+) \times (-) = -$$
$$=-7+8$$
$$=1$$
So option $$C $$ is correct
Evaluate:
$$-67-(-76)$$
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$$-143$$
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$$143$$
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$$-9$$
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$$9$$
Explanation
Given that
We have to find the value of given expression
$$-67-(-76)$$
we know that $$(-) \times (-) = +$$
and
$$(+) \times (-) = -$$
$$=-67+76$$
$$=9$$
So option $$D $$ is correct
Calculate:
$$9-(-6)$$
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$$3$$
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$$-3$$
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$$15$$
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$$-15$$
Explanation
Given that
We have to find the value of given expression
$$9-(-6)$$
we know that $$(-) \times (-) = +$$
$$9+6$$
$$ = 15$$
So option $$C$$ is correct
Calculate $$-98-56=?$$
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$$-154$$
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$$154$$
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$$42$$
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$$-42$$
Explanation
Given that
We have to find the value of given expression
$$-98-56$$
we know that $$(-) \times (-) = +$$
and
$$(+) \times (-) = -$$
$$-98-56$$
$$ = -154$$
So option $$A$$ is correct
"Temperature decreased by $$20 ^o$$".
This event is represented as
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$$+20$$
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$$-20$$
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$$10$$
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$$-10$$
Explanation
Temperature is decreased by $$20$$. From the reference level, increase in temperature $$= +$$ve and decrease in temperature $$= -$$ve.
$$\Rightarrow$$ Temperature is represented as $$-20$$
Calculate:
$$-123-45=?$$
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$$168$$
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$$186$$
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$$45$$
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$$-168$$
Explanation
Given that
We have to find the value of given expression
$$-123-45$$
we know that $$(-) \times (-) = +$$
$$-123-45$$
$$ = -168$$
So option $$D$$ is correct
Obtain the following:
$$-101-(-200)$$
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$$99$$
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$$-99$$
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$$-101$$
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$$101$$
Explanation
Given that
We have to find the value of given expression
$$-101-(-200)$$
we know that $$(-) \times (-) = +$$
$$-101+200$$
$$=99$$
So option $$C$$ is correct
Calculate:
$$-46-(-67)$$
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$$21$$
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$$-21$$
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$$22$$
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$$46$$
Explanation
Given that
We have to find the value of given expression
$$-46-(-67)$$
we know that $$(-) \times (-) = +$$
and
$$(+) \times (-) = -$$
$$=-46+67$$
$$ = 21$$
So option $$A$$ is correct
Calculate:
$$34-(-98)$$
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$$132$$
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$$64$$
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$$-64$$
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$$-132$$
Explanation
Given that
We have to find the value of given expression
$$34-(-98)$$
we know that $$(-) \times (-) = +$$
$$34+98$$
$$ = 132$$
So option $$A$$ is correct
Addition of integer and its additive inverse is
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zero
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double the number
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half the number
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none of these
Explanation
Additive inverse of an integer is a number which is of opposite sign and when added to the integer, gives zero.
Thus, Addition of integer and its additive inverse is Zero.
Additive inverse of $$4\times (-5)$$ is
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$$-20$$
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$$20$$
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$$4$$
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$$1$$
Explanation
$$4\times (-5) = -20$$
Let additive inverse of $$-20$$ be $$x$$.
$$-20+x = 0$$
$$\therefore x = 20$$
The additive inverse of $$(-9+11)$$ is :
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$$-2$$
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$$3$$
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$$9$$
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$$-11$$
Explanation
$$(-9 + 11) = 2$$
Additive inverse of a number is that number which when added to the original number, results in the sum as zero.
Let additive inverse of $$2$$ be $$x$$.
$$2+x = 0$$
$$\therefore x = -2$$
Evaluate:
$$144-(-44)$$
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$$-188$$
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$$100$$
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$$-100$$
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$$188$$
Explanation
Given that
We have to find the value of given expression
$$144-(-44)$$
we know that $$(-) \times (-) = +$$
and
$$(+) \times (-) = -$$
$$=144+44$$
$$ = 188$$
So option $$D $$ is correct
Evaluate:
$$133-(-23)$$
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$$156$$
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$$136$$
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$$-156$$
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$$-136$$
Explanation
Given that
We have to find the value of given expression
$$133-(-23)$$
we know that $$(-) \times (-) = +$$
and
$$(+) \times (-) = -$$
$$=133+23$$
$$=156$$
So option $$A $$ is correct
Find additive inverse of $$-7$$
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$$-7$$
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$$0$$
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$$7$$
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$$6$$
Explanation
Let additive inverse of $$-7$$ be $$x$$.
$$\Rightarrow -7+x = 0$$
$$\therefore\ x = 7$$
Hence the additive inverse of $$-7$$ is $$7$$
Which integer is the additive inverse of itself?
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$$-1$$
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$$1$$
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$$0$$
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$$2$$
Explanation
Additive inverse of number is that when added to a number it results in $$0$$
Additive inverse of itself= $$a+0=0$$
Therefore $$a=0$$
Hence the correct answer is option C.
Evaluate:
$$23-(-123)$$
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$$146$$
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$$-146$$
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$$100$$
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$$-100$$
Explanation
Given that
We have to find the value of the given expression
$$23-(-123)$$
we know that $$(-) \times (-) = +$$
and
$$(+) \times (-) = -$$
$$=23+123$$
$$=146$$
So option $$A $$ is correct
Additive inverse of $$(24-(-4))$$ is:
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$$-28$$
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$$28$$
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$$1$$
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$$0$$
Explanation
$$(24-(-4))= 24+4 = 28$$
Let additive inverse of $$28$$ be $$x$$.
Then $$28+x = 0$$
$$\therefore x = -28$$
Additive inverse of $$10 $$ is
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$$0$$
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$$-10$$
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$$8$$
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none
Explanation
Let additive inverse of $$10$$ be $$x$$.
$$10+x = 0$$
$$\therefore x = -10$$
Evaluate:
$$145-(-89)$$
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$$234$$
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$$56$$
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$$-234$$
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$$-56$$
Explanation
Given that
We have to find the value of given expression
$$145-(-89)$$
we know that $$(-) \times (-) = +$$
and
$$(+) \times (-) = -$$
$$=145+89$$
$$=234$$
So option $$A $$ is correct
The alphabet which has the smallest coordinate in the given figure is.........and its coordinate is ........
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$$F, 6$$
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$$S,-4$$
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$$O,0$$
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$$A,1$$
Explanation
As the coordinates are in increasing order from left to right, leftmost alphabet has smallest coordinate.
Alphabet $$: S$$
Coordinate $$: -4$$
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